by Erik Marsja | Feb 1, 2020 | Programming, R
In this post, we are going to learn how to read Stata (.dta) files in R statistical environment. Specifically, we will learn 1) who to import .dta files in R using Haven, and 2) how to write dataframes to .dta file. Data Import in R: Reading Stata Files Now, R is, as...
by Erik Marsja | Jan 4, 2020 | Programming, R
In this remove a column in R tutorial, we are going to work with dplyr to delete a column. Here, we are going to learn how to remove columns in R using the select() function. Specifically, we are going to remove columns by name and by index. Finally, we will also...
by Erik Marsja | Dec 28, 2019 | Open Science, Programming, Psychology, R
In this post, we will learn how to carry out descriptive statistics in R. After we have learned how to do this, we will learn how to create a nice latex table and how to save the summary statistics to a .csv file. Why Descriptive Statistics? Carrying out descriptive...
by Erik Marsja | Dec 9, 2019 | Programming, R
In this post we are going to learn 1) how to read SPSS (.sav) files in R, and 2) how to write to SPSS (.sav) files using R. More specifically, here we are going to work with the following two R packages haven (from the Tidyverse) and foreign to: Read a .sav file...
by Erik Marsja | Oct 27, 2019 | Programming, R
In this post, we are going to learn how to read SAS (. sas7bdat) files in R. More specifically, we are going to use the packages haven, and sas7bdat. Furthermore, we will also learn how to load .sas7bdat files into R using RStudio. If you are interested in other...
by Erik Marsja | Oct 16, 2019 | Programming, R
In this post, we will learn how make scatter plots using R and the package ggplot2. More specifically, we will learn how to make scatter plots, change the size of the dots, change the markers, the colors, and change the number of ticks. Furthermore, we will...
